# Supplementary Material (ESI) for Chemical Communications # This journal is (c) The Royal Society of Chemistry 2006 data_global _journal_name_full Chem.Commun. _journal_coden_Cambridge 0182 _publ_contact_author_name 'Zhaomin Hou' _publ_contact_author_address ; Organometallic Chemistry Lab RIKEN Hirosawa 2-1 Wako Saitama 351-0198 JAPAN ; _publ_contact_author_email HOUZ@RIKEN.JP _publ_section_title ; Alkali-Metal-Catalyzed Addition of Primary and Secondary Phosphines to Carbodiimides. A General and Efficient Route to Substituted Phosphaguanidines ; loop_ _publ_author_name 'Zhaomin Hou.' 'Masayoshi Nishiura' 'Wen-Xiong Zhang.' # Attachment '2.cif' data_2 _database_code_depnum_ccdc_archive 'CCDC 606651' _audit_creation_method SHELXL-97 _chemical_name_systematic ; ? ; _chemical_name_common ? _chemical_melting_point ? _chemical_formula_moiety ? _chemical_formula_sum 'C29 H42 K N2 O P' _chemical_formula_weight 504.72 loop_ _atom_type_symbol _atom_type_description _atom_type_scat_dispersion_real _atom_type_scat_dispersion_imag _atom_type_scat_source C C 0.0033 0.0016 'International Tables Vol C Tables 4.2.6.8 and 6.1.1.4' H H 0.0000 0.0000 'International Tables Vol C Tables 4.2.6.8 and 6.1.1.4' N N 0.0061 0.0033 'International Tables Vol C Tables 4.2.6.8 and 6.1.1.4' O O 0.0106 0.0060 'International Tables Vol C Tables 4.2.6.8 and 6.1.1.4' P P 0.1023 0.0942 'International Tables Vol C Tables 4.2.6.8 and 6.1.1.4' K K 0.2009 0.2494 'International Tables Vol C Tables 4.2.6.8 and 6.1.1.4' _symmetry_cell_setting monoclinic _symmetry_space_group_name_H-M P2(1)/c loop_ _symmetry_equiv_pos_as_xyz 'x, y, z' '-x, y+1/2, -z+1/2' '-x, -y, -z' 'x, -y-1/2, z-1/2' _cell_length_a 11.1009(12) _cell_length_b 19.529(2) _cell_length_c 14.3917(15) _cell_angle_alpha 90.00 _cell_angle_beta 112.539(2) _cell_angle_gamma 90.00 _cell_volume 2881.6(5) _cell_formula_units_Z 4 _cell_measurement_temperature 173(1) _cell_measurement_reflns_used ? _cell_measurement_theta_min ? _cell_measurement_theta_max ? _exptl_crystal_description prism _exptl_crystal_colour orange _exptl_crystal_size_max 0.55 _exptl_crystal_size_mid 0.45 _exptl_crystal_size_min 0.3 _exptl_crystal_density_meas ? _exptl_crystal_density_diffrn 1.163 _exptl_crystal_density_method 'not measured' _exptl_crystal_F_000 1088 _exptl_absorpt_coefficient_mu 0.263 _exptl_absorpt_correction_type empirical _exptl_absorpt_correction_T_min 0.83 _exptl_absorpt_correction_T_max 0.91 _exptl_absorpt_process_details ? _exptl_special_details ; ? ; _diffrn_ambient_temperature 173(1) _diffrn_radiation_wavelength 0.71073 _diffrn_radiation_type MoK\a _diffrn_radiation_source 'fine-focus sealed tube' _diffrn_radiation_monochromator graphite _diffrn_measurement_device_type 'CCD area detector' _diffrn_measurement_method 'phi and omega scans' _diffrn_detector_area_resol_mean ? _diffrn_standards_number ? _diffrn_standards_interval_count ? _diffrn_standards_interval_time ? _diffrn_standards_decay_% ? _diffrn_reflns_number 14823 _diffrn_reflns_av_R_equivalents 0.0259 _diffrn_reflns_av_sigmaI/netI 0.0331 _diffrn_reflns_limit_h_min -13 _diffrn_reflns_limit_h_max 7 _diffrn_reflns_limit_k_min -23 _diffrn_reflns_limit_k_max 22 _diffrn_reflns_limit_l_min -17 _diffrn_reflns_limit_l_max 17 _diffrn_reflns_theta_min 1.85 _diffrn_reflns_theta_max 25.05 _reflns_number_total 5091 _reflns_number_gt 3848 _reflns_threshold_expression >2sigma(I) _computing_data_collection 'Bruker SMART' _computing_cell_refinement 'Bruker SMART' _computing_data_reduction 'Bruker SHELXTL' _computing_structure_solution 'SHELXS-97 (Sheldrick, 1990)' _computing_structure_refinement 'SHELXL-97 (Sheldrick, 1997)' _computing_molecular_graphics 'Bruker SHELXTL' _computing_publication_material 'Bruker SHELXTL' _refine_special_details ; Refinement of F^2^ against ALL reflections. The weighted R-factor wR and goodness of fit S are based on F^2^, conventional R-factors R are based on F, with F set to zero for negative F^2^. The threshold expression of F^2^ > 2sigma(F^2^) is used only for calculating R-factors(gt) etc. and is not relevant to the choice of reflections for refinement. R-factors based on F^2^ are statistically about twice as large as those based on F, and R- factors based on ALL data will be even larger. ; _refine_ls_structure_factor_coef Fsqd _refine_ls_matrix_type full _refine_ls_weighting_scheme calc _refine_ls_weighting_details 'calc w=1/[\s^2^(Fo^2^)+(0.1128P)^2^+0.0664P] where P=(Fo^2^+2Fc^2^)/3' _atom_sites_solution_primary direct _atom_sites_solution_secondary difmap _atom_sites_solution_hydrogens geom _refine_ls_hydrogen_treatment none _refine_ls_extinction_method none _refine_ls_extinction_coef ? _refine_ls_number_reflns 5091 _refine_ls_number_parameters 305 _refine_ls_number_restraints 0 _refine_ls_R_factor_all 0.0689 _refine_ls_R_factor_gt 0.0539 _refine_ls_wR_factor_ref 0.1716 _refine_ls_wR_factor_gt 0.1626 _refine_ls_goodness_of_fit_ref 1.077 _refine_ls_restrained_S_all 1.077 _refine_ls_shift/su_max 0.000 _refine_ls_shift/su_mean 0.000 loop_ _atom_site_label _atom_site_type_symbol _atom_site_fract_x _atom_site_fract_y _atom_site_fract_z _atom_site_U_iso_or_equiv _atom_site_adp_type _atom_site_occupancy _atom_site_symmetry_multiplicity _atom_site_calc_flag _atom_site_refinement_flags _atom_site_disorder_assembly _atom_site_disorder_group K1 K 0.07606(6) 0.06795(3) -0.01215(4) 0.0438(2) Uani 1 1 d . . . P1 P 0.12339(6) 0.07294(3) 0.32734(5) 0.0336(2) Uani 1 1 d . . . N1 N -0.0490(2) 0.05319(12) 0.12975(15) 0.0397(5) Uani 1 1 d . . . N2 N 0.1374(2) -0.00714(11) 0.16241(14) 0.0407(5) Uani 1 1 d . . . O1 O 0.1664(6) 0.18227(15) -0.0652(3) 0.167(2) Uani 1 1 d . . . C1 C 0.0674(2) 0.03360(12) 0.19516(17) 0.0330(5) Uani 1 1 d . . . C2 C -0.1377(2) 0.09649(14) 0.15611(18) 0.0373(6) Uani 1 1 d . . . H2 H -0.1127 0.0952 0.2292 0.045 Uiso 1 1 d R . . C3 C -0.1329(3) 0.17050(14) 0.1243(2) 0.0514(7) Uani 1 1 d . . . H3A H -0.1486 0.1718 0.0532 0.062 Uiso 1 1 calc R . . H3B H -0.0465 0.1889 0.1611 0.062 Uiso 1 1 calc R . . C4 C -0.2338(3) 0.21530(16) 0.1435(3) 0.0631(9) Uani 1 1 d . . . H4A H -0.2132 0.2178 0.2153 0.076 Uiso 1 1 calc R . . H4B H -0.2301 0.2613 0.1194 0.076 Uiso 1 1 calc R . . C5 C -0.3691(3) 0.18715(16) 0.0913(3) 0.0580(8) Uani 1 1 d . . . H5A H -0.3925 0.1880 0.0191 0.070 Uiso 1 1 calc R . . H5B H -0.4308 0.2156 0.1066 0.070 Uiso 1 1 calc R . . C6 C -0.3769(3) 0.11433(16) 0.1249(3) 0.0548(8) Uani 1 1 d . . . H6A H -0.4636 0.0962 0.0882 0.066 Uiso 1 1 calc R . . H6B H -0.3611 0.1139 0.1960 0.066 Uiso 1 1 calc R . . C7 C -0.2757(3) 0.06941(14) 0.1058(2) 0.0468(7) Uani 1 1 d . . . H7A H -0.2795 0.0235 0.1304 0.056 Uiso 1 1 calc R . . H7B H -0.2976 0.0664 0.0339 0.056 Uiso 1 1 calc R . . C8 C 0.2618(2) -0.03698(13) 0.22426(18) 0.0349(6) Uani 1 1 d . . . H8 H 0.2794 -0.0285 0.2954 0.042 Uiso 1 1 d R . . C9 C 0.2548(3) -0.11454(13) 0.2048(2) 0.0429(6) Uani 1 1 d . . . H9A H 0.1883 -0.1341 0.2250 0.051 Uiso 1 1 calc R . . H9B H 0.2286 -0.1225 0.1332 0.051 Uiso 1 1 calc R . . C10 C 0.3827(3) -0.15093(14) 0.2603(2) 0.0502(7) Uani 1 1 d . . . H10A H 0.4038 -0.1481 0.3322 0.060 Uiso 1 1 calc R . . H10B H 0.3737 -0.1989 0.2416 0.060 Uiso 1 1 calc R . . C11 C 0.4924(3) -0.11996(15) 0.2368(2) 0.0530(7) Uani 1 1 d . . . H11A H 0.4778 -0.1289 0.1670 0.064 Uiso 1 1 calc R . . H11B H 0.5741 -0.1414 0.2785 0.064 Uiso 1 1 calc R . . C12 C 0.5020(3) -0.04271(15) 0.2555(2) 0.0470(7) Uani 1 1 d . . . H12A H 0.5283 -0.0340 0.3269 0.056 Uiso 1 1 calc R . . H12B H 0.5681 -0.0237 0.2343 0.056 Uiso 1 1 calc R . . C13 C 0.3723(3) -0.00747(13) 0.19840(19) 0.0396(6) Uani 1 1 d . . . H13A H 0.3506 -0.0123 0.1267 0.047 Uiso 1 1 calc R . . H13B H 0.3808 0.0410 0.2142 0.047 Uiso 1 1 calc R . . C14 C 0.1410(2) 0.00092(13) 0.41303(18) 0.0357(6) Uani 1 1 d . . . C15 C 0.1768(3) 0.01495(15) 0.51557(19) 0.0425(6) Uani 1 1 d . . . H15 H 0.2022 0.0591 0.5392 0.051 Uiso 1 1 calc R . . C16 C 0.1750(3) -0.03546(17) 0.5822(2) 0.0494(7) Uani 1 1 d . . . H16 H 0.2004 -0.0253 0.6502 0.059 Uiso 1 1 calc R . . C17 C 0.1357(3) -0.10053(17) 0.5482(2) 0.0521(7) Uani 1 1 d . . . H17 H 0.1336 -0.1345 0.5929 0.062 Uiso 1 1 calc R . . C18 C 0.0993(3) -0.11539(16) 0.4473(2) 0.0531(8) Uani 1 1 d . . . H18 H 0.0724 -0.1595 0.4241 0.064 Uiso 1 1 calc R . . C19 C 0.1027(3) -0.06498(13) 0.3804(2) 0.0431(6) Uani 1 1 d . . . H19 H 0.0788 -0.0757 0.3127 0.052 Uiso 1 1 calc R . . C20 C 0.2891(2) 0.10202(12) 0.35005(18) 0.0346(6) Uani 1 1 d . . . C21 C 0.2998(3) 0.15425(13) 0.2875(2) 0.0449(7) Uani 1 1 d . . . H21 H 0.2254 0.1696 0.2350 0.054 Uiso 1 1 calc R . . C22 C 0.4190(3) 0.18350(14) 0.3022(2) 0.0522(7) Uani 1 1 d . . . H22 H 0.4238 0.2182 0.2594 0.063 Uiso 1 1 calc R . . C23 C 0.5311(3) 0.16179(15) 0.3797(2) 0.0542(8) Uani 1 1 d . . . H23 H 0.6112 0.1816 0.3894 0.065 Uiso 1 1 calc R . . C24 C 0.5224(3) 0.11026(15) 0.4427(2) 0.0487(7) Uani 1 1 d . . . H24 H 0.5973 0.0951 0.4949 0.058 Uiso 1 1 calc R . . C25 C 0.4028(3) 0.08093(14) 0.42849(19) 0.0411(6) Uani 1 1 d . . . H25 H 0.3984 0.0467 0.4720 0.049 Uiso 1 1 calc R . . C26 C 0.2801(9) 0.1525(4) -0.1061(7) 0.079(2) Uiso 0.50 1 d P . . C27 C 0.1983(5) 0.1262(4) -0.1951(4) 0.133(2) Uani 1 1 d . . . C28 C 0.2474(12) 0.2421(7) -0.0014(10) 0.128(4) Uiso 0.50 1 d P . . C29 C 0.1693(7) 0.2709(3) 0.0385(4) 0.137(2) Uani 1 1 d . . . C30 C 0.1583(11) 0.1904(6) -0.1658(8) 0.108(3) Uiso 0.50 1 d P . . C31 C 0.0933(10) 0.2485(5) -0.0510(8) 0.102(3) Uiso 0.50 1 d P . . loop_ _atom_site_aniso_label _atom_site_aniso_U_11 _atom_site_aniso_U_22 _atom_site_aniso_U_33 _atom_site_aniso_U_23 _atom_site_aniso_U_13 _atom_site_aniso_U_12 K1 0.0489(4) 0.0469(4) 0.0389(4) -0.0020(2) 0.0206(3) -0.0082(3) P1 0.0330(4) 0.0403(4) 0.0277(3) -0.0028(2) 0.0118(3) 0.0021(3) N1 0.0337(11) 0.0548(13) 0.0295(11) -0.0052(9) 0.0108(9) 0.0089(10) N2 0.0381(12) 0.0528(13) 0.0298(11) -0.0043(9) 0.0117(9) 0.0100(10) O1 0.353(7) 0.0503(16) 0.157(3) -0.0250(19) 0.162(4) -0.046(3) C1 0.0354(13) 0.0382(13) 0.0267(12) -0.0015(10) 0.0132(11) 0.0001(11) C2 0.0341(14) 0.0501(15) 0.0285(12) -0.0016(11) 0.0128(11) 0.0067(12) C3 0.0455(17) 0.0487(17) 0.0644(19) -0.0047(14) 0.0258(15) -0.0011(13) C4 0.059(2) 0.0486(18) 0.085(2) -0.0048(16) 0.0312(18) 0.0066(15) C5 0.0483(18) 0.0587(19) 0.0642(19) -0.0009(15) 0.0185(16) 0.0174(15) C6 0.0349(15) 0.0639(19) 0.0666(19) -0.0036(15) 0.0206(14) 0.0056(14) C7 0.0371(15) 0.0478(16) 0.0555(17) -0.0016(12) 0.0177(13) 0.0036(12) C8 0.0351(14) 0.0398(14) 0.0306(13) -0.0038(10) 0.0137(11) 0.0042(11) C9 0.0422(15) 0.0433(15) 0.0481(15) -0.0084(12) 0.0227(13) -0.0022(12) C10 0.0522(17) 0.0421(15) 0.0602(18) 0.0027(13) 0.0260(15) 0.0095(13) C11 0.0451(17) 0.0525(17) 0.0631(19) 0.0001(14) 0.0228(15) 0.0136(14) C12 0.0364(15) 0.0541(17) 0.0525(16) -0.0031(13) 0.0189(13) 0.0006(13) C13 0.0433(15) 0.0411(14) 0.0379(13) -0.0005(11) 0.0196(12) 0.0034(12) C14 0.0288(13) 0.0483(15) 0.0334(13) 0.0004(11) 0.0159(11) 0.0026(11) C15 0.0356(14) 0.0575(17) 0.0347(13) -0.0018(12) 0.0137(12) -0.0041(12) C16 0.0380(15) 0.076(2) 0.0335(14) 0.0073(13) 0.0133(12) -0.0044(14) C17 0.0463(16) 0.0657(19) 0.0520(17) 0.0184(15) 0.0276(14) 0.0014(15) C18 0.0556(18) 0.0494(17) 0.067(2) 0.0009(14) 0.0370(16) -0.0059(14) C19 0.0453(16) 0.0490(16) 0.0418(15) -0.0061(12) 0.0243(13) -0.0051(12) C20 0.0365(13) 0.0360(13) 0.0326(12) -0.0050(10) 0.0150(11) 0.0011(11) C21 0.0436(16) 0.0432(15) 0.0467(16) 0.0054(12) 0.0158(13) 0.0033(12) C22 0.0575(19) 0.0405(15) 0.0638(19) 0.0082(13) 0.0291(16) -0.0021(14) C23 0.0420(16) 0.0527(18) 0.069(2) -0.0084(15) 0.0221(15) -0.0097(14) C24 0.0350(15) 0.0578(18) 0.0488(16) -0.0056(14) 0.0111(13) -0.0013(13) C25 0.0392(15) 0.0483(15) 0.0360(14) -0.0006(11) 0.0147(12) -0.0014(12) C27 0.093(4) 0.207(7) 0.124(4) -0.008(4) 0.068(4) -0.019(4) C29 0.195(6) 0.120(4) 0.104(4) 0.013(3) 0.066(4) 0.066(4) _geom_special_details ; All esds (except the esd in the dihedral angle between two l.s. planes) are estimated using the full covariance matrix. The cell esds are taken into account individually in the estimation of esds in distances, angles and torsion angles; correlations between esds in cell parameters are only used when they are defined by crystal symmetry. An approximate (isotropic) treatment of cell esds is used for estimating esds involving l.s. planes. ; loop_ _geom_bond_atom_site_label_1 _geom_bond_atom_site_label_2 _geom_bond_distance _geom_bond_site_symmetry_2 _geom_bond_publ_flag K1 O1 2.676(3) . ? K1 N2 2.759(2) . ? K1 N2 2.788(2) 3 ? K1 N1 2.857(2) 3 ? K1 N1 2.891(2) . ? K1 C1 3.095(2) . ? K1 C1 3.192(2) 3 ? K1 K1 3.2357(12) 3 ? P1 C14 1.831(3) . ? P1 C20 1.831(3) . ? P1 C1 1.921(2) . ? N1 C1 1.331(3) . ? N1 C2 1.454(3) . ? N1 K1 2.857(2) 3 ? N2 C1 1.319(3) . ? N2 C8 1.448(3) . ? N2 K1 2.788(2) 3 ? O1 C30 1.424(11) . ? O1 C28 1.544(13) . ? O1 C31 1.580(11) . ? O1 C26 1.688(9) . ? C1 K1 3.192(2) 3 ? C2 C7 1.516(4) . ? C2 C3 1.523(4) . ? C3 C4 1.527(4) . ? C4 C5 1.503(5) . ? C5 C6 1.515(4) . ? C6 C7 1.532(4) . ? C8 C13 1.524(3) . ? C8 C9 1.537(4) . ? C9 C10 1.514(4) . ? C10 C11 1.510(4) . ? C11 C12 1.529(4) . ? C12 C13 1.521(4) . ? C14 C19 1.380(4) . ? C14 C15 1.400(3) . ? C15 C16 1.380(4) . ? C16 C17 1.372(4) . ? C17 C18 1.380(4) . ? C18 C19 1.388(4) . ? C20 C25 1.394(3) . ? C20 C21 1.395(4) . ? C21 C22 1.381(4) . ? C22 C23 1.382(4) . ? C23 C24 1.382(4) . ? C24 C25 1.387(4) . ? C26 C27 1.355(10) . ? C26 C30 1.491(13) . ? C27 C30 1.445(12) . ? C28 C29 1.334(13) . ? C28 C31 1.586(15) . ? C29 C31 1.315(11) . ? loop_ _geom_angle_atom_site_label_1 _geom_angle_atom_site_label_2 _geom_angle_atom_site_label_3 _geom_angle _geom_angle_site_symmetry_1 _geom_angle_site_symmetry_3 _geom_angle_publ_flag O1 K1 N2 135.61(12) . . ? O1 K1 N2 115.72(12) . 3 ? N2 K1 N2 108.64(5) . 3 ? O1 K1 N1 119.18(9) . 3 ? N2 K1 N1 91.86(6) . 3 ? N2 K1 N1 47.37(6) 3 3 ? O1 K1 N1 128.24(9) . . ? N2 K1 N1 47.27(6) . . ? N2 K1 N1 90.57(6) 3 . ? N1 K1 N1 111.48(5) 3 . ? O1 K1 C1 127.55(9) . . ? N2 K1 C1 25.20(6) . . ? N2 K1 C1 108.92(7) 3 . ? N1 K1 C1 110.89(7) 3 . ? N1 K1 C1 25.39(6) . . ? O1 K1 C1 113.94(10) . 3 ? N2 K1 C1 106.98(6) . 3 ? N2 K1 C1 24.29(6) 3 3 ? N1 K1 C1 24.62(6) 3 3 ? N1 K1 C1 107.34(6) . 3 ? C1 K1 C1 118.08(5) . 3 ? O1 K1 K1 169.53(12) . 3 ? N2 K1 K1 54.73(5) . 3 ? N2 K1 K1 53.91(5) 3 3 ? N1 K1 K1 56.23(5) 3 3 ? N1 K1 K1 55.25(5) . 3 ? C1 K1 K1 60.51(5) . 3 ? C1 K1 K1 57.56(5) 3 3 ? C14 P1 C20 106.11(11) . . ? C14 P1 C1 105.68(11) . . ? C20 P1 C1 102.84(11) . . ? C1 N1 C2 123.6(2) . . ? C1 N1 K1 91.95(14) . 3 ? C2 N1 K1 135.09(16) . 3 ? C1 N1 K1 85.93(14) . . ? C2 N1 K1 133.07(16) . . ? K1 N1 K1 68.52(5) 3 . ? C1 N2 C8 125.2(2) . . ? C1 N2 K1 91.79(14) . . ? C8 N2 K1 128.15(15) . . ? C1 N2 K1 95.30(15) . 3 ? C8 N2 K1 129.21(15) . 3 ? K1 N2 K1 71.36(5) . 3 ? C30 O1 C28 108.4(7) . . ? C30 O1 C31 101.8(7) . . ? C28 O1 C31 61.0(6) . . ? C30 O1 C26 56.5(5) . . ? C28 O1 C26 97.2(7) . . ? C31 O1 C26 144.7(5) . . ? C30 O1 K1 119.9(5) . . ? C28 O1 K1 131.2(5) . . ? C31 O1 K1 112.2(4) . . ? C26 O1 K1 103.0(3) . . ? N2 C1 N1 117.8(2) . . ? N2 C1 P1 125.74(18) . . ? N1 C1 P1 116.32(17) . . ? N2 C1 K1 63.00(12) . . ? N1 C1 K1 68.68(13) . . ? P1 C1 K1 138.61(11) . . ? N2 C1 K1 60.41(13) . 3 ? N1 C1 K1 63.43(13) . 3 ? P1 C1 K1 159.29(11) . 3 ? K1 C1 K1 61.92(5) . 3 ? N1 C2 C7 109.5(2) . . ? N1 C2 C3 111.6(2) . . ? C7 C2 C3 109.4(2) . . ? C2 C3 C4 112.1(2) . . ? C5 C4 C3 111.2(3) . . ? C4 C5 C6 110.6(3) . . ? C5 C6 C7 110.2(3) . . ? C2 C7 C6 113.0(2) . . ? N2 C8 C13 111.4(2) . . ? N2 C8 C9 108.3(2) . . ? C13 C8 C9 108.51(19) . . ? C10 C9 C8 113.2(2) . . ? C11 C10 C9 111.6(2) . . ? C10 C11 C12 111.3(2) . . ? C13 C12 C11 111.3(2) . . ? C12 C13 C8 112.4(2) . . ? C19 C14 C15 117.9(2) . . ? C19 C14 P1 123.20(19) . . ? C15 C14 P1 118.3(2) . . ? C16 C15 C14 121.2(3) . . ? C17 C16 C15 120.0(3) . . ? C16 C17 C18 119.7(3) . . ? C17 C18 C19 120.4(3) . . ? C14 C19 C18 120.8(3) . . ? C25 C20 C21 117.6(2) . . ? C25 C20 P1 126.0(2) . . ? C21 C20 P1 116.1(2) . . ? C22 C21 C20 121.1(3) . . ? C21 C22 C23 120.7(3) . . ? C24 C23 C22 119.0(3) . . ? C23 C24 C25 120.5(3) . . ? C24 C25 C20 121.0(3) . . ? C27 C26 C30 60.8(6) . . ? C27 C26 O1 98.1(6) . . ? C30 C26 O1 52.8(5) . . ? C26 C27 C30 64.2(6) . . ? C29 C28 O1 104.3(9) . . ? C29 C28 C31 52.7(6) . . ? O1 C28 C31 60.6(6) . . ? C31 C29 C28 73.5(7) . . ? O1 C30 C27 107.1(8) . . ? O1 C30 C26 70.7(6) . . ? C27 C30 C26 55.0(6) . . ? C29 C31 O1 103.3(7) . . ? C29 C31 C28 53.8(6) . . ? O1 C31 C28 58.4(6) . . ? _diffrn_measured_fraction_theta_max 0.997 _diffrn_reflns_theta_full 25.05 _diffrn_measured_fraction_theta_full 0.997 _refine_diff_density_max 0.801 _refine_diff_density_min -0.474 _refine_diff_density_rms 0.091